Water Information Reporting

Copyright © Government of Western Australia
Information supplied by the Department of Water and Environmental Regulation is protected by the Copyright Act 1968. That copyright belongs to the State of Western Australia. Apart from any fair dealing for the purpose of private study, research, criticism or review, as permitted under the Copyright Act 1968, no part may be reproduced or reused for any purpose without the written permission of the Department of Water and Environmental Regulation. Please click on the Copyright link for full details.

Disclaimer / limitation of liability
The information contained herein is provided by the Department of Water and Environmental Regulation in good faith as a public service. However, the Department does not guarantee the accuracy of this information, and it is the responsibility of recipients to make their own enquiries as to its accuracy, currency and appropriateness. Telemetered data is provisional only and has not been verified for accuracy. If any aspect of this information is of significance to you, you should discuss your particular circumstances with the Department. Please click on the Disclaimer link for full details.

Should you require further information or technical assistance, please contact one of our water information officers.


Total Monthly Discharge report

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 20/04/2021

Site      609018          St John Brook - Barrabup Pool                                                                 Site  609018
VarFrom   10.00           Stage - SL in Metres
VarTo     151.00          Total Stream Discharge Volume in Megalitres
                          Figures are for period ending 24:00
                                                                                                          Mean   Annual  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly    Total  Days    Yr

1983   [   ]   [   ]   [   ]    [6.7]   15.3" 3028  ! 8001  "23848  #35051  # 4059  "  904.6"   72.7"  [8332  ]  [74988]   96  1983
1984    16.7"   13.2"   15.2"   24.5" 1907  " 5421  " 8173  "12205  "13449  " 2498  " 2860  "  484.1"   3922  "   47072"    0  1984
1985   153.2"   16.1"   17.0"  184.4"   30.6" 1591  ! 7422  !16653  " 8607  " 2737  " 1126  "  118.8"   3221  !   38659!    0  1985

1986    16.2"   17.7"   18.3"   13.0"   17.9"  110.1" 4355  #10958  # 5902  " 2880  "  636.9"   57.8&   2082  &   24985&    0  1986
1987    36.6&   21.6&   28.1&   39.4&   56.8"  523.5" 3465  " 3553  " 1692  "  739.0"  155.2"   31.3&    862.0&   10344&    0  1987
1988    18.6&   11.3&   15.7&   17.6&   49.6&18137  #15339  #22860  #18100  #12521  # 2830  "  237.7"   7511  &   90140&    0  1988
1989    51.7"   33.9&   37.4&   45.5"   74.6"   71.7" 3704  " 4829  ! 4774  ! 4351  "  766.9"   67.8"   1567  !   18810!    0  1989
1990    56.0&   35.6&   37.4&   58.8"  436.9" 1792  "15415  #13639  # 6499  # 3919  " 2101  "  163.7"   3679  &   44156&    0  1990

1991    45.1&   34.9&   32.6&   33.2&   89.7& 6866  #14176  #19204  #11408  # 3976  " 1665  "  165.4"   4808  &   57698&    0  1991
1992    36.8&   32.1&   48.8"   57.5"   61.9" 5020  #13076  #16886  #14051  # 3421  " 1585  "  417.8"   4558  &   54697&    0  1992
1993    53.4"   30.3&   44.3&   54.1"   70.7"   59.6" 6944  #12083  #11324  # 4432  " 1048  "  110.5!   3021  !   36257!    0  1993
1994    20.1!    7.7!    6.3!    6.1!   42.0! 1231  " 9750  # 6300  # 3256  " 1504  "  175.0"   40.1&   1861  !   22341!    0  1994
1995    14.6&   11.2&    8.7&   10.1&   27.1&  334.4&14468  #15911  # 7310  " 2519  "  962.6"  379.8"   3496  &   41959&    0  1995

1996    83.2&   15.7&   12.9&   29.3&   62.0&  518.8&19358  #25990  #21454  # 8327  " 2329  ! 1384  !   6630  !   79565!    0  1996
1997    91.9"   35.5&   32.7&   40.9&   57.0# 4067  # 4750  "17113  #12473  # 3000  "  729.1"  164.8#   3546  &   42557&    0  1997
1998    45.8#   35.1#   41.9#   36.2#   71.6#  423.7# 2556  " 6871  #10909  # 4821  "  654.9"   58.8#   2210  #   26527#    0  1998
1999    10.2#    8.7#    9.1#   15.8#   38.0# 8993  #23393  #13202  #17921  #20621  # 2325  "  253.6#   7232  #   86794#    0  1999
2000    29.8#   16.5#   21.9#   39.3#   71.2#  549.6#13377  #14290  #12698  # 2720  "  583.8"   66.7#   3705  #   44465#    0  2000

2001    21.1#   20.6#   19.1#   19.0#   38.6#   33.3#  108.1#  882.4" 1441  " 1255  "  101.0#  244.4#    348.7#  4184  #    0  2001
2002    10.0#    4.6#    9.5#   32.8#   71.1# 1591  # 7843  # 7201  " 7959  # 3946  " 1784  "  114.6#   2547  # 30568  #    0  2002
2003    22.7#   30.5#   34.2#   70.0#   86.6#   48.1# 4896  # 8449  # 9695  # 4156  "  759.5"   52.9#   2358  # 28302  #    0  2003
2004     6.0#   12.3#    5.9#    5.1#   30.8# 1219  # 3807  " 9169  # 4328  " 1502  "  496.5"   64.1#   1720  # 20647  #    0  2004
2005     5.2#    2.9#    7.2#   29.4# 1015  # 5010  " 4145  " 9278  #13476  # 7833  # 2110  "  471.8"   3615  # 43386  #    0  2005

2006    40.6#   11.4#   10.5#   22.0#   72.6#  133.5"  273.6# 3883  " 2103  "  650.0"   73.9#   13.2#    607.4#  7288  #    0  2006
2007     5.0#    7.7#    9.7#   24.8#   56.9#   24.0# 4140  # 9346  #12273  # 4712  "  623.5#   40.3#   2605  # 31264  #    0  2007
2008     4.8#    5.3#    7.5#   19.9#   38.0# 1875  # 9130  # 5202  " 1666  " 1151  "  496.6"   33.7#   1636  # 19632  #    0  2008
2009     3.3#    1.4#    4.2#    3.6#    4.5#  783.3#12038  # 8538  #12844  # 3788  "  891.5"   71.4#   3247  # 38972  #    0  2009
2010     1.9#    2.5#    3.3#   18.0#   18.5#   23.9#   38.3#  461.9#  269.7#   23.4#    7.8#    4.5#     72.8#   873.7#    0  2010

2011     4.6#    2.4#    3.7#   13.2#   23.5#   30.3#  664.1# 4279  " 2947  " 1155  "  114.2#    5.0#    770.4#  9244  #    0  2011
2012     3.8#    2.5#    3.0#   10.8#    8.7#   17.8#   22.3#  533.0# 1854  "  622.0#   82.6#    7.3#    264.0#  3167  #    0  2012
2013     3.6#    4.3#    7.8#   12.7#   31.9#   43.1# 2319  # 9569  #16128  # 4036  "  304.4#   18.2#   2706  # 32480  #    0  2013
2014     5.4#   12.0#   14.4#   18.1#   39.2#  332.9# 7203  # 7033  # 8639  # 1985  "  213.0#   15.2#   2126  # 25512  #    0  2014
2015     2.9#    2.1#    2.0#    1.9#    5.1#   17.3#   23.1# 3005  # 2628  "  184.5#    8.3#    2.1#    490.2#  5882  #    0  2015

2016     4.3#    3.7#    6.0#    7.1#   15.8#  882.7#22023  $18364  #11136  # 7037  # 1005  "   67.1#   5046  $   60554$    0  2016
2017    10.6#   11.1#   17.8#   10.4#   16.8#   20.0#  667.7#15272  # 3695  " 2173  "  481.4"  156.4#   1877  #   22533#    0  2017



                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        ! ... Not reviewed / Quality not known
                                        " ... Relative Uncertainty +/-10%
                                        # ... Relative Uncertainty +/-15%
                                        $ ... Relative Uncertainty +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available
Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 20/04/2021

Site      609018          St John Brook - Barrabup Pool                                                                 Site  609018
VarFrom   10.00           Stage - SL in Metres
VarTo     151.00          Total Stream Discharge Volume in Megalitres
                          Figures are for period ending 24:00
                                                                                                          Mean   Annual  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly    Total  Days    Yr

2018    42.2#    5.9#    7.4#   13.5#   37.8#  434.4# 7028  #15366  # 6046  " 1601  "  237.3#   46.4#   2572  # 30867  #    0  2018
2019     8.4#    8.4#    7.9#   15.8#   42.4#  107.9#  816.2# 1195  " 2549  "  232.6#   51.5#    4.9#    420.1#  5041  #    0  2019
2020     3.4#    5.2#   16.8#   23.8#   23.8#   25.3# 2238  # 3237  " 2747  "  751.2#   88.2#   10.2#    764.3#  9171  #    0  2020

2021   3.372#  5.239#  7.092# [5.014]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [5.179] [20.71 ]  256  2021


Mean    26.1!   14.2!   16.7!  [27.9]  127.9! 1878  ! 7293  !10438  ! 8982  ! 3627  #  878.2!  150.5!  [2770  ][32605  ]       Mean
Med.    15.4!   11.3!   11.7!  [19.0]   40.6!  476.6! 5920  ! 9312  ! 8283  ! 2809  #  645.9!   66.9!                          Med.
 Max   153.2!   35.6!   48.8! [184.4] 1907  !18137  !23393  !25990  !35051  !20621  # 2860  ! 1384  !  [8332  ][90139  ]        Max
 Min     1.9!    1.4!    2.0!   [1.9]    4.5!   17.3!   22.3!  461.9!  269.7!   23.4#    7.8!    2.1!     [5.2]   [20.7]        Min
Total    993!    539!    633!  [1089]   4859!  71397! 277159! 396674! 341317! 137856#  33373!   5719!  [108054][1271608]  352  Total
  OK    100%    100%    100%     99%    100%    100%    100%    100%    100%    100%    100%    100%       100%     100%         OK
 Cnt      38      38      38      39      38      38      38      38      38      38      38      38        39       39         Cnt

                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        ! ... Not reviewed / Quality not known
                                        " ... Relative Uncertainty +/-10%
                                        # ... Relative Uncertainty +/-15%
                                        $ ... Relative Uncertainty +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available